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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-16778) LLAP IO: better refcount management I
Date Sat, 27 May 2017 00:05:04 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Shelukhin reassigned HIVE-16778:
---------------------------------------


> LLAP IO: better refcount management I
> -------------------------------------
>
>                 Key: HIVE-16778
>                 URL: https://issues.apache.org/jira/browse/HIVE-16778
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>
> Looks like task cancellation can close the UGI, causing the background thread to die
with an exception, leaving a bunch of unreleased cache buffers.
> Overall, it's probably better to modify how refcounts are handled - if there's some bug
in the code we don't want to leak them. 



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